New Delhi, June 24 -- Did you know that your smart TV uses your Wi-Fi even when you're not watching it? It keeps streaming, updating and syncing in the background, slowing your internet connection without any warning. It's not just your laptop or smartphone silently chewing through your data, your smart TV is one of the culprits too.

Most TVs get connected all the time. They auto play video previews, perform software updates, and share data with third-party services as smart TVs are designed to stay online all the time. Some TVs even run in the background when they are switched off. Surprising, right? These smart devices stay connected with servers, refresh app data, and sometimes update apps as well.

People who use limited bandwidth at...